Straube Sebastian, Andrew Moore R, Derry Sheena, McQuay Henry J
Pain Research and Nuffield Department of Anaesthetics, University of Oxford, John Radcliffe Hospital, Level 6 West Wing, Oxford OX3 9DU, UK.
Pain. 2009 Jan;141(1-2):10-3. doi: 10.1016/j.pain.2008.11.010. Epub 2008 Dec 11.